# -*- coding: utf-8 -*-
# Quick Pytohn Script Explanation for Progeammers
# 给程序员的超快速Py脚本解说
import os

def main():
    print('Hello World!')
    print("这是Alice\'的问候.") 
    print('这是Bob\'的问候.')
    foo(5, 10)
    print('=' * 10)
    print('这将直接执行'+os.getcwd())
    counter = 0
    counter += 1
    food = ['苹果', '杏子', '李子', '梨']
    for i in food:
        print('俺就爱整只:'+i)
    print('数到10')
    for i in range(10):
        print(i)

def foo(param1, secondParam):
    res = param1+secondParam
    print('%s 加 %s 等于 %s'%(param1, secondParam, res))
    if res < 50:
        print('这个')
    elif (res>=50) and ((param1==42) or (secondParam==24)):
        print('那个')
    else:
        print('嗯...')
    return res  # 这是单行注释
    '''这是多
行注释......'''

if __name__=='__main__':
    main()